Home / 64,328.80-96,590.16-52,535.20

Finding the Fourth Proportional to 64,328.80, 96,590.16 and 52,535.20

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Solution

The fourth proportional to 64,328.80, 96,590.16 and 52,535.20 is: 78,881.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,328.80 : 96,590.16 = 52,535.20 : x
  2. Step 2: Convert to fraction form
    64,328.80/96,590.16 = 52,535.20/x
  3. Step 3: Cross multiply
    64,328.80x = 96,590.16 × 52,535.20
  4. Step 4: Simplify right side
    64,328.80x = 5,074,383,373.63
  5. Step 5: Solve for x
    x = 5,074,383,373.63/64,328.80
  6. Step 6: Final answer
    x = 78,881.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.